XML 70 R59.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Revenues Revenue from External Customers by Geographic Areas (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Disaggregation of Revenue [Line Items]    
Billboard $ 328.8 $ 320.6
Transit and other 79.7 75.2
Revenues 408.5 395.8
United States    
Disaggregation of Revenue [Line Items]    
Billboard 313.9 306.1
Revenues 389.9 378.2
Canada    
Disaggregation of Revenue [Line Items]    
Revenues 18.6 17.6
Transit and other    
Disaggregation of Revenue [Line Items]    
Transit and other 79.4 73.4
Transit and other | United States    
Disaggregation of Revenue [Line Items]    
Transit and other 75.7 70.3
Other Revenues    
Disaggregation of Revenue [Line Items]    
Transit and other 0.3 1.8
Other Revenues | United States    
Disaggregation of Revenue [Line Items]    
Transit and other $ 0.3 $ 1.8